Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (2) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (2) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (15) Sample Type Blood (4) Fluid (3) Serum or Plasma (4) Tissue (2) Urine (4) Test Area Exposure (2) Therapeutics (15) Test Category (-) Acids (2) (-) Analgesics (15) Anticholinergics (3) Antihistamines (4) Antihypertensives (3) Antimicrobials (5) Antipsychotics (5) Depressants (5) Hallucinogens (3) Hypoglycemic Agents (2) Test Sub-Category Carboxylic Acids (2) Opiates/Opioids (15) Your search has returned no tests.